21397362

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{757}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 49045632

約数和(自身を除く): 27648270

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 673, 757, 1346, 1514, 2019, 2271, 4038, 4542, 4711, 5299, 9422, 10598, 14133, 15897, 28266, 31794, 509461, 1018922, 1528383, 3056766, 3566227, 7132454, 10698681, 21397362]

約数ペア:

[(1, 21397362), (2, 10698681), (3, 7132454), (6, 3566227), (7, 3056766), (14, 1528383), (21, 1018922), (42, 509461), (673, 31794), (757, 28266), (1346, 15897), (1514, 14133), (2019, 10598), (2271, 9422), (4038, 5299), (4542, 4711)]